/// <summary>
/// Adds the specified AuthnRequest to the collection of previously
/// sent requests, maintaining the imposed limit as defined by
/// MaximumRequestsStored. This collection is represented as a
/// queue and is attached to the user's session.
/// </summary>
/// <param name="context">
/// HttpContext containing session, request, and response objects.
/// </param>
/// <param name="authnRequest">AuthnRequest to add to the collection.</param>
internal static void AddSentAuthnRequest(HttpContext context, AuthnRequest authnRequest)
{
Queue authnRequests = AuthnRequestCache.GetSentAuthnRequests(context);
if (authnRequests == null)
{
authnRequests = new Queue(AuthnRequestCache.MaximumRequestsStored);
}
if (authnRequests.Count == AuthnRequestCache.MaximumRequestsStored)
{
authnRequests.Dequeue();
}
authnRequests.Enqueue(authnRequest);
context.Session[AuthnRequestCache.AuthnRequestSessionAttribute] = authnRequests;
StringBuilder message = new StringBuilder();
message.Append("AuthnRequestsCache:\r\n");
IEnumerator i = authnRequests.GetEnumerator();
while (i.MoveNext())
{
AuthnRequest a = (AuthnRequest)i.Current;
message.Append(a.Id + "\r\n");
}
FedletLogger.Info(message.ToString());
}
/// <summary>
/// Removes the AuthnRequest from the collection of previously
/// sent requests based on the provided AuthnRequest.Id value.
/// This collection is represented as a queue and is attached to
/// the user's session.
/// </summary>
/// <param name="context">
/// HttpContext containing session, request, and response objects.
/// </param>
/// <param name="authnRequestId">
/// ID of the AuthnRequest to be removed from the cache.
/// </param>
internal static void RemoveSentAuthnRequest(HttpContext context, string authnRequestId)
{
Queue originalCache = AuthnRequestCache.GetSentAuthnRequests(context);
if (originalCache != null)
{
Queue revisedCache = new Queue();
while (originalCache.Count > 0)
{
AuthnRequest temp = (AuthnRequest)originalCache.Dequeue();
if (temp.Id != authnRequestId)
{
revisedCache.Enqueue(temp);
}
}
context.Session[AuthnRequestCache.AuthnRequestSessionAttribute] = revisedCache;
}
}
